fprintf(stderr, "%s: mount %s at %s failed: %s\n", progname,
mop.mo_usource, mop.mo_target, strerror(errno));
+ if (errno == EBUSY)
+ fprintf(stderr, "Is the backend filesystem mounted?\n"
+ "Check /etc/mtab and /proc/mounts\n");
if (errno == ENODEV)
fprintf(stderr, "Are the lustre modules loaded?\n"
"Check /etc/modprobe.conf and "